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4 years ago

What is the value of point Y?

Mathematics

2 answers:

Elina [12.6K]4 years ago

7 0

Answer: 11 1/2

Step-by-step explanation:

leva [86]4 years ago

6 0

Answer:

11 1/2

Step-by-step explanation:

On the number line, the value of y is 11 1/2 or 11.5

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In the function y = -5x2 + 5 , the graph will open down, be shifted up 5 units, and it will be wider than the parent function y

masya89 [10]

We are considering the function $y=f(x)=-5 x^{2} +5$

the graph of this function is the graph of the parent function $y=g(x)= x^{2}$ after applying the following steps.

1. multiply by -1:

$-x^{2}$ is $x^{2}$ reflected with respect to the x-axis.

2. multiply by 5:

$-5x^{2}$ is $-x^{2}$ shrinked towards the y axis.

for example, consider x=1/2

$-5x^{2}=-5( \frac{1}{2} )^{2}=-5* \frac{1}{4}= \frac{-5}{4}=-1.25$

$-x^{2}=- ( \frac{1}{2} )^{2}=- \frac{1}{4}=-0.25$

now this means that $-5x^{2}$ is "lower" than $-x^{2}$ , which means there is a shrinking of the graph.

3. add 5:

$-5 x^{2} +5$ is $-5 x^{2}$ shifted 5 units up.

4.

so the graph of the function a) opens down, b) is shifted 5 units up, c) is not wider than the parent function

Answer: False

6 0

4 years ago

Two angles form a linear pair. One angle measures (10x - 63). The other angle measures (8x)". What is the value of the larger

EleoNora [17]

Answer:

108 degrees

Step-by-step explanation:

Given

Let the angles be A and B

$A = 10x - 63$

$B = 8x$

Required

Find the larger angle

If both angles form linear pair, then the following relationship exist:

$A + B = 180$

Substitute values for A and B

$10x - 63 + 8x = 180$

Collect Like Terms

$10x + 8x = 180 + 63$

$18x = 243$

Solve for x

$x = \frac{243}{18}$

$x = 13.5$

Substitute 13.5 for x in

$A = 10x - 63$

$B = 8x$

$A= 10 * 13.5 - 63$

$A= 135 - 63$

$A= 72$

$B = 8 * 13.5$

$B = 108$

Hence, the larger angle measures 108

4 0

3 years ago

These box plots show the daily high temperatures in two cities over a

Alexus [3.1K]

sorry i don't know. this answer.

3 0

3 years ago

Need help...,.......

givi [52]

I hope this helps you

8 0

3 years ago

What is 7/8 divided by 1/8

eduard

Answer:

Step-by-step explanation:

Concepts:

Division: a system of distributing a collection of things into equal parts

Fractions: #s that represent a part of a whole

Dividing Fractions: dividing a fraction by another fraction = multiplying the fraction by the inverse (reciprocal) of the other one
Inverse Operations: operations that are opposite of each other (e.g. inverse of addition is subtraction)

Solving:

1. First, let's set up the equation:

7/8 ÷ 1/8

2. We can get the reciprocal of 1/8 by doing the opposite of division; multiplication. 1/8 becomes 1 · 8, and that's equal to 8.

3. Now, since we know dividing a fraction by another one is exactly the same as multiplying the fraction by the reciprocal of the other, let's multiply 7/8 by the inverse of 1/8, which is 8.

7/8 · 8 = 56/8 = 7

Therefore, 7/8 divided by 1/8 is equal to 7.

8 0

3 years ago